地面激光掃描點云與魚眼全景影像的配準(zhǔn)與整合研究
[Abstract]:Multi-sensor information integration and multi-source heterogeneous data integration is an important development direction of remote sensing technology. The integration of ground laser scanning point cloud and fish eye panoramic images is of great significance for the perception and understanding of large visual environment and virtual scene analysis. In this paper, a data integration method of laser point cloud and fish-eye panoramic image for data layer is proposed: the perspective image is transformed by cylindrical model, and the reference system is realized. Through line feature extraction and registration, the two kinds of data can be aligned based on viewpoint constraints. By creating virtual points, the scene information can be expressed in the form of mixed color discrete points and panoramic images with geographical reference. Finally, the integration of the two data levels is realized by extending view class and spatial model class metadata. The experiment of integrating ground laser point cloud and fish-eye image shows that the proposed method can integrate multi-source data and provide the data conditions for large-scale, multi-scene data integration, database building and cross-platform call.
【學(xué)位授予單位】:中國礦業(yè)大學(xué)(北京)
【學(xué)位級別】:博士
【學(xué)位授予年份】:2014
【分類號】:P237;P225.2
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